Category: Open Source

  • Building a Simple Penetration Testing Drop Box for Remote Network Assessments: A Guide

    Penetration testing is a flexible skill for cybersecurity analysts. A drop box, like the one built with a Raspberry Pi 3 and TP-Link AC1300 Wi-Fi adapter, provides secure, cost-effective, and easy network access. Netizen offers cybersecurity services, including penetration testing, vulnerability assessments, and automation tools. Visit www.netizen.net/contact for inquiries.

  • Open Source Adoption: Switzerland Leads the Way with EMBAG Legislation

    Switzerland has enacted EMBAG, mandating open-source software use in the public sector, promoting transparency and security. The US has a cautious approach due to security concerns, but may need to reassess. Open source fosters innovation, cost savings, and enhances security.

  • Blockchain Security: The Power of Cryptographic Algorithms

    Cryptography has been crucial in securing data since ancient times, evolving from the Caesar cipher to modern blockchain technology. Blockchain heavily relies on cryptography to ensure data integrity and security. Public and private keys, digital signatures, hashing, and cryptographic algorithms like SHA-256 and ECDSA play vital roles in blockchain security. Common vulnerabilities, recent advancements, and…

  • Understanding Security Information and Event Management (SIEM)

    SIEM, or Security Information and Event Management, is a crucial tool that helps organizations detect and respond to security threats effectively. Over the years, SIEM has evolved to include advanced features like AI-driven automation, compliance management, and real-time threat recognition, making it an indispensable part of modern cybersecurity. At Netizen, we understand the importance of…

  • Sequence of Events and Strategic Overview of the XZ Compression Library Backdoor

    The XZ Compression Backdoor Timeline details a supply chain attack on the xz compression library by “Jia Tan,” who gained trust and eventually inserted a backdoor, affecting systems using the library. The attack was detected in March 2024, prompting industry response and highlighting vulnerabilities in open source supply chain security.

  • Microsoft Announces Upcoming Launch of AI-Enhanced Copilot for Security

    Microsoft Corp. is set to unveil artificial intelligence tools on April 1, aimed at enhancing the capabilities of cybersecurity professionals. These tools, developed in partnership with OpenAI, will assist in summarizing suspicious incidents and uncovering hackers’ methods. Dubbed Copilot for Security, this suite of AI tools was unveiled approximately a year ago and has since…

  • Emerging Technologies: A Cybersecurity Deep Dive into Web 3.0

    Web 3.0, often referred to as the Semantic or Decentralized Web, has emerged over the past few years as a both an ideological and technological shift from the current state of the internet, referred to as Web 2.0. The new technology is defined by decentralized databases and distributed ledgers across nodes, reducing the risks in…

  • Looney Tunables: Understanding the glibc Buffer Overflow Vulnerability

    A critical vulnerability within the GNU C Library (glibc) has recently come to light, putting a spotlight on the inherent complexities and potential oversights in system security, even within well-established, widely used open-source software. This vulnerability granted the name “Looney Tunables” by the researchers from Qualys, resides in glibc’s dynamic loader, a crucial component in…

  • 38 TB of Private Company Data was Leaked by Microsoft AI Researchers

    38 Terabytes. That’s the amount of storage it takes to store 7600 hours of HD video, enough to watch for 316 days without repeating anything. It’s also the amount of private company data that Microsoft AI researchers accidentally exposed, including over 30,000 internal Teams messages, according to cloud security company Wiz. The Microsoft Azure Leak…

  • Prompt Injection: Generative AI’s Largest Vulnerability

    With the popularization of generative AI tools like ChatGPT, information has become increasingly easy to retrieve. Ask it anything, and ChatGPT will respond to the best of its ability, modifying itself to your prompt’s specifications as best it can. The more detailed the prompt, the more specific of a response you can get from an…